html,
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.wraper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50%;
    height: 20px;
    box-shadow: 1px 0 2px #000 inset, 0px 0px 5px #000;
    border-radius: 100px;
}

.wraper .content {
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
    border-radius: 100px;
    background-color: orange;
}

.round {
    position: absolute;
    border-radius: 50%;
}